Joe the Grinder is the name of mythical ladies man in blues tunes who seduces the wives and sweethearts of prisoners and soldiers. He’s also known as Joe De Grinder and Joe D. Grinder. The term dates to at least 1939. Grinder is from an old slang verb, to grind, meaning to copulate. The military use of jody was introduced to the U.S. Army by African-American soldiers. Jody is a clipping of the name of Joe the Grinder, a slightly older character in jazz and blues mythology.
"Joe The Grinder" was cut by The Hawks for Imperial in December of 1953 and with lead vocal duties going to bass vocalist, Willie Thrower.